Integrated 550V power MOSFET
 No auxiliary winding inspection required
 Quasi-resonant mode for efficiency
 Internal integrated superheated power adjustment
 Internal integrated charging circuit and quick start
 ±4% Constant Current Controller
 Very low VCC operating current
 Internal integrated AC line voltage constant current compensation
 Internal protection circuit:
 LED Short Circuit Protection
 cycle-by-cycle overcurrent detection
 chip overheating protection
 VCC undervoltage locking function
 Foot Suspension Protection
 Package Type TO-92, TSOT-23-5L